Size:2''''-40'''' DN50-DN1000 Pressure: Class150LB-300LB Material: WCB,LCB,CF8,CF8M,CF3,CF3M, A105,LF2,F304,F316,F304L,F316L,MONEL,ALLOY 20 Design & Manufacture Std.: Wafer and lug API 609, DIN3354; Flange and weld: BS5155/EN598 Connection: wafer, lug, double flange type Face to face: flange: ISO5752 Test Standard: API598 Structure Type: Double eccentricity, triple eccentricity Operation: lever, worm gear, pneumatic, electric, hydraulic or pneumatic-hydraulic actuator Certificate:CE,ISO9001